– Lat/Long: 48.71° N 121.99° W
South Twin Sister
Weather Forecast, United StatesIssued: 9 pm Wed 19 Nov Local TimeUpdates in: hr min sUpdate imminent
Issued: 9 pm Wed 19 Nov Local Time
Updates in:
Update imminent hr min s
Issued: 9 pm Wed 19 Nov Local Time
Updates in:
Update imminent hr min s
3 South Twin Sister Elevations: 3 Forecast Elevations: Days 1–4 Weather SummarySome drizzle, heaviest during Sat morning. Mild temperatures (max 8°C on Fri night, min 4°C on Thu afternoon). Wind will be generally light. | Days 5–7 Weather SummaryHeavy rain (total 31mm), heaviest during Sun morning. Later becoming colder with a dusting of snow on Sun night. Freeze-thaw conditions (max 8°C on Sat night, min -1°C on Mon night). Wind will be generally light. | ||||||||||||||||||
Thursday 20 | Friday 21 | Saturday 22 | Sunday 23 | Monday 24 | Tuesday 25 | ||||||||||||||
night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  |  | | | | |  |  | |  | | | |  | |  | |
light rain | rain shwrs | some clouds | some clouds | light rain | light rain | light rain | light rain | light rain | heavy rain | mod. rain | rain shwrs | snow shwrs | light rain | some clouds | some clouds | cloudy | cloudy | light snow | |
km/h | |||||||||||||||||||
 |  |  |  |  |  |  | |||||||||||||
— | — | — | — | — | — | — | — | — | — | — | — | 1 | — | — | — | — | — | 3 | |
0.1 | 0.1 | — | — | 0.1 | 0.2 | 0.2 | 0.3 | 0.2 | 15 | 10 | 1.7 | — | 5 | — | — | — | — | 9 | |
max°C | 6 | 6 | 5 | 4 | 6 | 6 | 8 | 8 | 8 | 8 | 7 | 3 | 2 | 2 | 2 | 0 | 3 | 2 | 2 |
min°C | 5 | 5 | 4 | 4 | 6 | 6 | 7 | 8 | 8 | 8 | 5 | 2 | 1 | 2 | 1 | -1 | 2 | 2 | 1 |
4 | 4 | 4 | 4 | 6 | 6 | 6 | 8 | 8 | 6 | 3 | 0 | 0 | 2 | 1 | -1 | 2 | 0 | -2 | |
1800 | 1350 | 1400 | 1500 | 1850 | 1850 | 2100 | 2050 | 2000 | 1950 | 1550 | 950 | 800 | 800 | 750 | 350 | 750 | 950 | 850 | |
Cloud base (m) | 1950 | 1550 | 750 | 900 | 2100 | 850 | 950 | 800 | 650 | 550 | 550 | 600 | 650 | 650 | 600 | 650 | 650 | 2100 | 600 |
 | — | 7:24 | — | — | 7:24 | — | — | 7:26 | — | — | 7:28 | — | — | 7:30 | — | — | 7:31 | — | — |
 | — | — | 4:22 | — | — | 4:21 | — | — | 4:20 | — | — | 4:19 | — | — | 4:17 | — | — | 4:17 | — |
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South Twin Sister Weather (Days 0-3):
The weather forecast for South Twin Sister is: Some drizzle, heaviest during Sat morning. Mild temperatures (max 8°C on Fri night, min 4°C on Thu afternoon). Wind will be generally light.
South Twin Sister Weather (Days 3-6):
Heavy rain (total 31mm), heaviest during Sun morning. Later becoming colder with a dusting of snow on Sun night. Freeze-thaw conditions (max 8°C on Sat night, min -1°C on Mon night). Wind will be generally light.
This table gives the weather forecast for South Twin Sister at the specific elevation of 500 m. Our advanced weather models allow us to provide distinct weather forecasts for several elevations of South Twin Sister. To see the weather forecasts for the other elevations, use the tab navigation above the table. For a wider overview of the weather, consult the Weather Map of Washington.